function checkForm(){
	var zName = document.getElementById("zName");
	var sex = document.getElementById("radio5");
	var birthday = document.getElementById("birthday");
	var constellation = document.getElementById("constellation");
	var animal_sign = document.getElementById("animal_sign");
	var salary = document.getElementById("salary");
	var education = document.getElementById("education");
	var now_address = document.getElementById("now_address");
	var email = document.getElementById("email");
	var ucode = document.getElementById("ucode");
	
	
		if(zName.value==""){
			alert("真实姓名不能为空");
			return false;
		}
		if(sex.value==""){
			alert("性别不能为空");
			return false;
		}
		if(birthday.value==""){
			alert("生日不能为空");
			return false;
		}
		if(constellation.value==""){
			alert("星座不能为空");
			return false;
		}
		if(animal_sign.value==""){
			alert("生肖不能为空");
			return false;
		}
		if(salary.value==""){
			alert("月薪不能为空");
			return false;
		}
		if(!(/^[0-9]{1,}$/.exec(salary.value))){
			alert("月薪只能输入数字");
			return false;
		}
		if(education.value==""){
			alert("学历不能为空");
			return false;
		}
		if(now_address.value==""){
			alert("现住址不能为空");
			return false;
		}
		if(email.value==""){
			alert("email不能为空");
			return false;
		}
		var sReg=/[_a-zA-Z\d\-\.]+@[_a-zA-Z\d\-]+(\.[_a-zA-Z\d\-]+)+$/;   
		 if   (!sReg.test(email.value))   
		  {   
		  alert("Email地址格式错误！请重新输入。");   
		  return   false;   
		  }
		if(ucode.value==""){
			alert("验证码不能为空");
			return false;
		}
		return true;
}